Correct Answer: 21021

Solution : The average price of the three chairs is the total price divided by the number of chairs. 
The total price of the three chairs = 14,014 × 3 = Rs. 42,042
The prices of the chairs are in the ratio 3 : 4 : 7.

Correct Answer: 6.7%

Solution : From the histogram, 
The number of students in the height class of 165-170 cm is 14 and in the height class of 150-155 cm is 15.
Percentage difference when compared to larger value = $\left( \frac{\text{Large Value} - \text{Small Value}}{\text{Large Value}} \right) \times 100\%$
$=

Correct Answer: Right against Exploitation

Solution : The correct answer is Right against Exploitation.

The right that forbids the employment of children below the age of 14 years in dangerous jobs is covered under the "Right against Exploitation". Children below the age of fourteen years should not be employed

Correct Answer: Places of equal altitude

Solution : The correct answer is Places of equal altitude.

Contours are the imaginary lines used in cartography to indicate places of equal height or altitude. A contour interval is the difference in elevation between the contour lines. Three types of contour lines are

Correct Answer: 3

Solution : The error in this sentence is in part (R) marked by the third option.

Explanation: The subject "investment" is singular, so the verb "have" should be replaced with its singular form "has". Investment is a singular subject, so the verb "has" should agree with it

Correct Answer: helium is less denser than air.

Solution : The correct option helium is less dense than air.

A balloon filled with helium rises in the air because helium is less dense than the surrounding air. Helium is a lighter gas compared to the nitrogen and oxygen that

Correct Answer: Sad

Solution : The correct choice is the third option.

Explanation:
Glad means feeling pleasure or happiness. Therefore, the opposite of feeling happy or pleased is feeling sad, which means experiencing sorrow or unhappiness.

The meanings of the other words are:

• Keen: Having a sharp

Correct Answer: 6

Solution : Here, the sum of the numbers of the first and second rows is 16, so it should also be the same in the third row.

In the row one: 5 + 1 + 3 + 7 = 16
In the row two: 6 + 2

Correct Answer: Liveing

Solution : The third option is correct.

The corrected spelling is living. The incorrect spelling in the given word liveing can be fixed by removing the extra "e," and it means an income sufficient to live on.

The meanings of the other options are as follows:

Correct Answer: 279

Solution : Given:
a = 12(390)8; b = 7(134)5; c = 5(?)12

Square the sum of the first and third numbers and then subtract 10 from the resultant, to obtain the middle number –
Here, a = 12(390)8→(12 + 8)² – 10 = (20)² –